1 code implementation • 13 Jan 2021 • Alexandre Fioravante de Siqueira, Daniela Mayumi Ushizima, Stéfan van der Walt
Fiber-reinforced ceramic-matrix composites are advanced materials resistant to high temperatures, with application to aerospace engineering.
1 code implementation • 13 Jun 2018 • Alexandre Fioravante de Siqueira, Wagner Massayuki Nakasuga, Sandro Guedes
One of the major difficulties of automatic track counting using photomicrographs is separating overlapped tracks.
no code implementations • 10 Jun 2017 • Alexandre Fioravante de Siqueira, Wagner Massayuki Nakasuga, Sandro Guedes, Lothar Ratschbacher
The major challenges of automatic track counting are distinguishing tracks and material defects, identifying small tracks and defects of similar size, and detecting overlapping tracks.
no code implementations • 26 Oct 2016 • Alexandre Fioravante de Siqueira, Flávio Camargo Cabrera, Aylton Pagamisse, Aldo Eloizo Job
This study consolidates Multi-Level Starlet Segmentation (MLSS) and Multi-Level Starlet Optimal Segmentation (MLSOS), techniques for photomicrograph segmentation that use starlet wavelet detail levels to separate areas of interest in an input image.
no code implementations • 12 Jun 2016 • Alexandre Fioravante de Siqueira, Flávio Camargo Cabrera, Aylton Pagamisse, Aldo Eloizo Job
Results given by this method will be used in future studies, to computationally estimate the density distribution of gold nanoparticles in natural rubber samples and to predict reduction kinetics of gold nanoparticles at different time periods.
no code implementations • 20 Apr 2016 • Alexandre Fioravante de Siqueira, Flávio Camargo Cabrera, Wagner Massayuki Nakasuga, Aylton Pagamisse, Aldo Eloizo Job
Image segmentation, the process of separating the elements within an image, is frequently used for obtaining information from photomicrographs.
no code implementations • 12 Feb 2016 • Alexandre Fioravante de Siqueira, Wagner Massayuki Nakasuga, Aylton Pagamisse, Carlos Alberto Tello Saenz, Aldo Eloizo Job
This method is applied in photomicrographs of epidote phenocrystals, in which accuracy higher than 89% was obtained in fission track segmentation, even for difficult images.